java.lang.RuntimeException: Unable to start activity ComponentInfo{com.intap.snspushtest/com.intap.snspushtest.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.amazonaws.mobile.push.PushManager com.amazonaws.mobile.AWSMobileClient.getPushManager()' on a null object reference

Stack Overflow | Ido Naveh | 4 months ago
  1. 0

    Null Object Reference on PushManager class from AWS Mobile Hub Sample Project

    Stack Overflow | 4 months ago | Ido Naveh
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.intap.snspushtest/com.intap.snspushtest.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'com.amazonaws.mobile.push.PushManager com.amazonaws.mobile.AWSMobileClient.getPushManager()' on a null object reference
  2. 0
    The resource was accessed after it was dismissed.
  3. 0
    Initialize the variable before calling a method on it.
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  5. 0
    Use 'dialog' to access views from custom_layout layout.
  6. 0
    The parsed JSON does not contains the requested field.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'com.amazonaws.mobile.push.PushManager com.amazonaws.mobile.AWSMobileClient.getPushManager()' on a null object reference

      at com.intap.snspushtest.MainActivity.onCreate()
    2. com.intap.snspushtest
      MainActivity.onCreate
      1. com.intap.snspushtest.MainActivity.onCreate(MainActivity.java:29)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:6876)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1135)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3206)
      3 frames